104 lines
No EOL
3.1 KiB
JavaScript
104 lines
No EOL
3.1 KiB
JavaScript
L.BRouter = L.Class.extend({
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statics: {
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// http://localhost:17777/brouter?lonlats=1.1,1.2|2.1,2.2|3.1,3.2|4.1,4.2&nogos=-1.1,-1.2,1|-2.1,-2.2,2&profile=shortest&alternativeidx=1&format=kml
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URL_TEMPLATE: 'http://localhost:17777/brouter?lonlats={lonlats}&nogos={nogos}&profile={profile}&alternativeidx={alternativeidx}&format={format}',
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PRECISION: 6,
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NUMBER_SEPARATOR: ',',
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GROUP_SEPARATOR: '|'
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},
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options: {
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format: 'gpx'
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},
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initialize: function (options) {
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L.setOptions(this, options);
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},
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setOptions: function(options) {
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L.setOptions(this, options);
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},
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getUrl: function(latLngs, format) {
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var urlParams = {
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lonlats: this._getLonLatsString(latLngs),
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nogos: this._getNogosString(this.options.nogos),
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profile: this.options.profile,
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alternativeidx: this.options.alternative,
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format: format || this.options.format
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};
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var url = L.Util.template(L.BRouter.URL_TEMPLATE, urlParams);
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return url;
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},
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getRoute: function(latLngs, cb) {
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var url = this.getUrl(latLngs);
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if (!url) {
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return cb(new Error('Error getting route URL'));
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}
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var gpxLayer = new L.GPX(url, {
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async: true,
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polyline_options: {
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opacity: 0.6
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},
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marker_options: {
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startIconUrl: null,
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endIconUrl: null
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}
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}).on('loaded', function(e) {
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// leaflet.spin
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gpxLayer.fire('data:loaded');
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var gpx = e.target;
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return cb(null, gpx.getLayers()[0]);
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})/* TODO no error handling in leaflet-gpx
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.on('error', function(e){
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console.error('error');
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gpxLayer.fire('data:loaded');
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return cb(new Error('Routing failed'));
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})*/;
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},
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getRouteSegment: function(l1, l2, cb) {
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return this.getRoute([l1, l2], cb);
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},
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_getLonLatsString: function(latLngs) {
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var s = '';
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for (var i = 0; i < latLngs.length; i++) {
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s += this._formatLatLng(latLngs[i]);
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if (i < (latLngs.length - 1)) {
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s += L.BRouter.GROUP_SEPARATOR;
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}
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}
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return s;
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},
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_getNogosString: function(nogos) {
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var s = '';
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for (var i = 0, circle; i < nogos.length; i++) {
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circle = nogos[i];
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s += this._formatLatLng(circle.getLatLng());
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s += L.BRouter.NUMBER_SEPARATOR;
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s += Math.round(circle.getRadius());
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if (i < (nogos.length - 1)) {
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s += L.BRouter.GROUP_SEPARATOR;
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}
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}
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return s;
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},
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// formats L.LatLng object as lng,lat string
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_formatLatLng: function(latLng) {
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var s = '';
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s += L.Util.formatNum(latLng.lng, L.BRouter.PRECISION);
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s += L.BRouter.NUMBER_SEPARATOR;
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s += L.Util.formatNum(latLng.lat, L.BRouter.PRECISION);
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return s;
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}
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});
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L.bRouter = function (options) {
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return new L.BRouter(options);
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}; |